The struggle for climate justice is increasingly overshadowed by a global arms race even though global temperatures are reaching record highs. States that should be working together to invest in urgent climate action are instead spending record sums on the military (over $2.7 trillion in 2024). This spending produces huge emissions, drains resources from climate action, and escalates geopolitical tensions that make multilateral climate action more difficult. (Briefing first created in 2023, updated for third time in November 2025)

This leaflet is also published and available at the Transnational Institute.